http://www.nessus.org/

[root@centos6 src]# rpm -ivh Nessus-4.4.1-es6.x86_64.rpmPreparing...                ########################################### [100%]   1:Nessus                 ########################################### [100%]nessusd (Nessus) 4.4.1 [build M15078] for Linux(C) 1998 - 2011 Tenable Network Security, Inc.Processing the Nessus plugins...[##################################################]All plugins loaded - Please run /opt/nessus//sbin/nessus-adduser to add a user - Register your Nessus scanner at http://www.nessus.org/register/ to obtain   all the newest plugins - You can start nessusd by typing /sbin/service nessusd start

[root@centos6 src]# /opt/nessus/sbin/nessus-adduserLogin : adminLogin password :Login password (again) :Do you want this user to be a Nessus 'admin' user ? (can upload plugins, etc...) (y/n) [n]: yUser rules----------nessusd has a rules system which allows you to restrict the hoststhat admin has the right to test. For instance, you may wanthim to be able to scan his own host only.Please see the nessus-adduser manual for the rules syntaxEnter the rules for this user, and enter a BLANK LINE once you are done :(the user can have an empty rules set)Login             : adminPassword         : ***********This user will have 'admin' privileges within the Nessus serverRules             :Is that ok ? (y/n) [y]User added

申请一个验证吗http://www.nessus.org/products/nessus/nessus-plugins/obtain-an-activation-code会发送到你的邮箱中。

[root@centos6 src]# /opt/nessus/bin/nessus-fetch --register 433E-3B47-94AF-5CF8-7E8EYour activation code has been registered properly - thank you.Now fetching the newest plugin set from plugins.nessus.org...Your Nessus installation is now up-to-date.If auto_update is set to 'yes' in nessusd.conf, Nessus willupdate the plugins by itself.

[root@centos6 src]# /sbin/service nessusd startStarting Nessus services:[root@centos6 src]# Missing plugins. Attempting a plugin update...Your installation is missing plugins. Please register and try again.To register, please visit http://www.nessus.org/register/

https://localhost:8834